Smart METL airless metal bike tires use a “shape memory alloy” for deformation

Re:Smart METL airless metal bike tires use a “shape memory a... by jiofih on Thursday March 18, 2021 @03:32PM (#26506557)

> Polyurethanium. We have no idea what this is and Smart provided no detail.

That was funny. The bad news: polyurethane is a type of plastic, already used as a replacement for rubber in some kinds of tires.

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Re:Smart METL airless metal bike tires use a “shape memory a... by AtlasBarfed on Thursday March 18, 2021 @04:11PM (#26507046)

I guess if the metal is doing 99% of the support work, then you might be able to "spray on" grip.

This might be SUPER IMPORTANT if it's biodegradable, with all the stories about the noxious effects of car tire wear particles impacting the environment.

Since the "grip" doesn't need to do the support job, we can use a more fragile compound.

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